3 Definitions, symbols and abbreviations
24.5233GPPArchitecture and functional descriptionCore and enterprise Next Generation Network (NGN) interaction scenariosRelease 17TS
3.1 Definitions
For the purpose of the present document, the terms and definitions given in 3GPP TS 22.519 [2] apply:
business trunking
business trunking application
Corporate telecommunication Network (CN)
Hosted Enterprise Services (HES)
Next Generation CN (NGCN)
NGCN site
PNP number
private network traffic
Private Numbering Plan (PNP)
public network traffic
3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply:
API Application Programming Interface
AS Application Server
ASP Application Service Provider
BGCF Breakout Gateway Control Function
CN Core Netwrok
CND Customer Network Device
CNG Customer Network Gateway
DHCP Dynamic Host Configuration Protocol
FQDN Fully Qualified Domain Name
HES Hosted Enterprise Services
HSS Home Subscriber Server
IBCF Interconnection Border Control Function
I-CSCF Interrogating CSCF
IM IP Multimedia
IMCN IP Multimedia Core Network
IMS IP Multimedia Subsystem
IOI Inter Operator Identifier
IP Internet Protocol
IWF InterWorking Function
MACF Multiple Association Control Function
NASS Network Attachment SubSystem
NAT Network Address Translator
NGCN Next Generation Corporate Network
NGN Next Generation Network
P-CSCF Proxy CSCF
PNP Private Numbering Plan
PSAP Public Safety Answering Point
RACS Resource and Admission Control Subsystem
S-CSCF Serving CSCF
SIP Session Initiation Protocol
SSP Session Service Provider
TE Terminal Equipment
TSP Transport Service Provider
UE User Equipment
URI Uniform Resource Identifier